Explore groundbreaking research in this 24-minute video presentation where Dr. Xue-Yan He delves into the complex relationship between chronic stress and cancer progression. Learn how stress influences the tumor microenvironment, particularly focusing on the critical balance between neutrophils and lymphocytes and their role in tumor metastasis. Discover findings from a significant study published in Cancer Cell that examines the biological mechanisms connecting psychological stress to cancer spread. Gain valuable insights into how a cancer diagnosis's associated stress may impact disease progression, backed by research selected for the EACR Highlights in Cancer Research. Understand the intricate interplay between psychological factors and cancer biology, offering new perspectives on tumor development and potential therapeutic approaches.